Healthcare provider profile · identity verified

Daniel J Kulas, MD

Family Practice · JANESVILLE, WI · NPI 1013083385

Profile state: partd only Open Payments: 2025 Medicare Part D: 2024 Last identity check: 2026-08-10 Page data build: 2026-08-12

Verified facts

What the public records show

We did not find matching Open Payments records for this doctor in 2025.

These records do not establish that a payment influenced prescribing or medical care.

Payment overview · 2025

General Payments

We did not find matching Open Payments records for this doctor in the selected program year.

Separate record types

Research & Ownership

Research Payments (direct recipient): not present in the loaded data

Associated Research Funding (for example, named PI): not present in the loaded data

Ownership / Investment: not present in the loaded data

These categories are never added into the General Payments headline. Associated research funding must not be described as money the doctor personally received unless the source record supports that conclusion.

Analysis 1 · Payment-linked products

Products named in Open Payments records

No payment-linked product analysis is available because no matching General Payment records were found for the selected year.

Public prescribing for products named in payments

There is no explicit payment-product set available for a Part D comparison.

The presence of the same drug in both datasets does not show that a payment caused or influenced a prescription.

Analysis 2 · Same-company prescribing overlap

Drugs reported in other payments from the same company that also appear in Medicare Part D

This analysis is independent from products named on this doctor’s individual payment records. A row appears only when the exact Open Payments reporting entity paid this doctor, that same reporting entity reported the drug or biological on at least 10 loaded General Payment records involving at least 2 distinct recipient NPIs, and this doctor has the same non-generic brand in public Part D data. This does not mean the company owns or manufactures the drug.

There is no payer-company set available for this comparison.

These facts do not show that a payment was for the drug, that the company owns or manufactures the drug, or that a payment caused or influenced prescribing.

Public Medicare Part D data

Provider-and-drug rows loaded for 2024

BrandGenericClaimsBeneficiaries
Atorvastatin CalciumAtorvastatin Calcium522132
Levothyroxine SodiumLevothyroxine Sodium40893
Rosuvastatin CalciumRosuvastatin Calcium403105
Amlodipine BesylateAmlodipine Besylate36994
LisinoprilLisinopril36191
OmeprazoleOmeprazole34792
Losartan PotassiumLosartan Potassium22756
SimvastatinSimvastatin22752
Metformin Hcl ErMetformin Hcl20359
HydrochlorothiazideHydrochlorothiazide19853
FurosemideFurosemide17842
Metformin HclMetformin Hcl17249
Metoprolol TartrateMetoprolol Tartrate16344
Tamsulosin HclTamsulosin Hcl13940
Metoprolol SuccinateMetoprolol Succinate11432
Potassium ChloridePotassium Chloride11429
AllopurinolAllopurinol10626
AtenololAtenolol10329
Hydrocodone-AcetaminophenHydrocodone/Acetaminophen10216
Albuterol Sulfate HfaAlbuterol Sulfate10135
AlprazolamAlprazolam10120
Fluticasone PropionateFluticasone Propionate9738
Glipizide ErGlipizide9522
FamotidineFamotidine9124
GabapentinGabapentin8627
Trazodone HclTrazodone Hcl8321
Pantoprazole SodiumPantoprazole Sodium8124
EliquisApixaban8024
JanuviaSitagliptin Phosphate8017
Sertraline HclSertraline Hcl7620
Alendronate SodiumAlendronate Sodium7521
OzempicSemaglutide7421
Duloxetine HclDuloxetine Hcl7320
Lantus SolostarInsulin Glargine,hum.Rec.Anlog7020
Fluoxetine HclFluoxetine Hcl6917
Montelukast SodiumMontelukast Sodium6818
Lisinopril-HydrochlorothiazideLisinopril/Hydrochlorothiazide6117
CarvedilolCarvedilol6014
Cyclobenzaprine HclCyclobenzaprine Hcl5420
Tramadol HclTramadol Hcl5111
FinasterideFinasteride4912
EzetimibeEzetimibe4814
Paroxetine HclParoxetine Hcl4711
Escitalopram OxalateEscitalopram Oxalate4613
TrulicityDulaglutide46suppressed
JardianceEmpagliflozin4512
ClopidogrelClopidogrel Bisulfate4411
Pioglitazone HclPioglitazone Hcl4412
PrednisonePrednisone4430
Triamcinolone AcetonideTriamcinolone Acetonide4431
Oxycodone-AcetaminophenOxycodone Hcl/Acetaminophen43suppressed
Propranolol HclPropranolol Hcl43suppressed
Tizanidine HclTizanidine Hcl42suppressed
Vitamin D2Ergocalciferol (Vitamin D2)4211
CelecoxibCelecoxib4113
Enalapril MaleateEnalapril Maleate4111
Zolpidem TartrateZolpidem Tartrate41suppressed
PregabalinPregabalin36suppressed
GlipizideGlipizide3511
Bupropion XlBupropion Hcl34suppressed
Pravastatin SodiumPravastatin Sodium34suppressed
Citalopram HbrCitalopram Hydrobromide33suppressed
Doxycycline HyclateDoxycycline Hyclate3330
Diltiazem 24hr Er (Cd)Diltiazem Hcl32suppressed
LovastatinLovastatin32suppressed
Amitriptyline HclAmitriptyline Hcl29suppressed
DutasterideDutasteride29suppressed
Oxybutynin Chloride ErOxybutynin Chloride29suppressed
MeloxicamMeloxicam28suppressed
Nano 2nd Gen Pen NeedlePen Needle, Diabetic2811
Acetaminophen-CodeineAcetaminophen With Codeine27suppressed
ClonazepamClonazepam27suppressed
Donepezil HclDonepezil Hcl27suppressed
MirtazapineMirtazapine26suppressed
Budesonide-Formoterol FumarateBudesonide/Formoterol Fumarate25suppressed
Oxycodone HclOxycodone Hcl24suppressed
Ventolin HfaAlbuterol Sulfate24suppressed
ColchicineColchicine23suppressed
Nifedipine ErNifedipine23suppressed
Ropinirole HclRopinirole Hcl23suppressed
Azelastine HclAzelastine Hcl22suppressed
Breo ElliptaFluticasone/Vilanterol22suppressed
DiazepamDiazepam22suppressed
Triamterene-HydrochlorothiazidTriamterene/Hydrochlorothiazid22suppressed
AzithromycinAzithromycin2120
Desvenlafaxine Succinate ErDesvenlafaxine Succinate21suppressed
Spiriva RespimatTiotropium Bromide21suppressed
ValacyclovirValacyclovir Hcl21suppressed
Warfarin SodiumWarfarin Sodium21suppressed
Amoxicillin-Clavulanate PotassAmoxicillin/Potassium Clav2016
AripiprazoleAripiprazole20suppressed
Nitrofurantoin Mono-MacroNitrofurantoin Monohyd/M-Cryst2018
Losartan-HydrochlorothiazideLosartan/Hydrochlorothiazide19suppressed
Memantine HclMemantine Hcl19suppressed
Nebivolol HclNebivolol Hcl19suppressed
Bupropion Hcl SrBupropion Hcl18suppressed
Combivent RespimatIpratropium/Albuterol Sulfate18suppressed
DuleraMometasone/Formoterol18suppressed
MethylprednisoloneMethylprednisolone1817
Sumatriptan SuccinateSumatriptan Succinate18suppressed
TopiramateTopiramate18suppressed
Advair HfaFluticasone Propion/Salmeterol17suppressed
Doxazosin MesylateDoxazosin Mesylate17suppressed
Minocycline HclMinocycline Hcl17suppressed
NaproxenNaproxen17suppressed
Ultra-Fine Nano Pen NeedlePen Needle, Diabetic17suppressed
Varenicline TartrateVarenicline Tartrate17suppressed
Benazepril HclBenazepril Hcl16suppressed
FarxigaDapagliflozin Propanediol16suppressed
Nortriptyline HclNortriptyline Hcl16suppressed
Diclofenac SodiumDiclofenac Sodium15suppressed
FenofibrateFenofibrate Nanocrystallized15suppressed
IbuprofenIbuprofen15suppressed
KetoconazoleKetoconazole1512
Ulticare Pen NeedlePen Needle, Diabetic15suppressed
FenofibrateFenofibrate,micronized14suppressed
Humulin R U-500 KwikpenInsulin Regular, Human14suppressed
LorazepamLorazepam14suppressed
Venlafaxine Hcl ErVenlafaxine Hcl14suppressed
Verapamil ErVerapamil Hcl14suppressed
AmoxicillinAmoxicillin1312
Divalproex SodiumDivalproex Sodium13suppressed
EpinephrineEpinephrine13suppressed
Dextroamphetamine-Amphet ErDextroamphetamine/Amphetamine12suppressed
Fesoterodine Fumarate ErFesoterodine Fumarate12suppressed
MyrbetriqMirabegron12suppressed
Tramadol Hcl ErTramadol Hcl12suppressed
Tresiba Flextouch U-100Insulin Degludec12suppressed
VascepaIcosapent Ethyl12suppressed
Meclizine HclMeclizine Hcl11suppressed
Sulfamethoxazole-TrimethoprimSulfamethoxazole/Trimethoprim11suppressed
TestosteroneTestosterone11suppressed

Timeline

Payment and prescribing data by year

Open Payments and Medicare Part D may refer to different years. They are shown separately rather than aligned as if they describe the same period.

YearGeneral PaymentsMain payerExplicit productsCompany overlapsPart D coverage
2025
2024 Complete

Questions to ask

Questions you could discuss with your doctor

These are general questions generated from reviewed templates. They are not personalized medical advice.

Sources and limitations

How to read this page

Loaded source releases

DatasetYearPublicationSource
CMS Open Payments — General Payments 2025 2026-06-30 Original source
Medicare Part D Prescribers by Provider and Drug 2024 2026-05-06 Original source
NPPES Data Dissemination V2 current / reference data 2026-08-10 Original source

Methodology version: 2.1

Editorial template version: 2.4

Product contract version: 2.0

Schema version: 0.7.0

Page data build: 2026-08-12T23:34:59.370714+00:00

Publication policy: eligible for indexing after public-launch controls are enabled

Full methodology · Questions & answers · Report a possible error